1 /**
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
5 * Portions Copyright 2013-2016 Philip Helger + contributors
6 *
7 * The contents of this file are subject to the terms of either the GNU
8 * General Public License Version 2 only ("GPL") or the Common Development
9 * and Distribution License("CDDL") (collectively, the "License"). You
10 * may not use this file except in compliance with the License. You can
11 * obtain a copy of the License at
12 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
13 * or packager/legal/LICENSE.txt. See the License for the specific
14 * language governing permissions and limitations under the License.
15 *
16 * When distributing the software, include this License Header Notice in each
17 * file and include the License file at packager/legal/LICENSE.txt.
18 *
19 * GPL Classpath Exception:
20 * Oracle designates this particular file as subject to the "Classpath"
21 * exception as provided by Oracle in the GPL Version 2 section of the License
22 * file that accompanied this code.
23 *
24 * Modifications:
25 * If applicable, add the following below the License Header, with the fields
26 * enclosed by brackets [] replaced by your own identifying information:
27 * "Portions Copyright [year] [name of copyright owner]"
28 *
29 * Contributor(s):
30 * If you wish your version of this file to be governed by only the CDDL or
31 * only the GPL Version 2, indicate your decision by adding "[Contributor]
32 * elects to include this software in this distribution under the [CDDL or GPL
33 * Version 2] license." If you don't indicate a single choice of license, a
34 * recipient has the option to distribute your version of this file under
35 * either the CDDL, the GPL Version 2 or to extend the choice of license to
36 * its licensees as provided above. However, if you add GPL Version 2 code
37 * and therefore, elected the GPL Version 2 license, then the option applies
38 * only if the new code is made subject to such option by the copyright
39 * holder.
40 */
41 package com.helger.jcodemodel;
42
43 import javax.annotation.Nonnull;
44 import javax.annotation.Nullable;
45
46 /**
47 * Case statement
48 */
49 public class JCase implements IJStatement
50 {
51 /**
52 * label part of the case statement
53 */
54 private final IJExpression m_aLabelExpr;
55
56 /**
57 * is this a regular case statement or a default case statement?
58 */
59 private boolean m_bIsDefaultCase = false;
60
61 /**
62 * JBlock of statements which makes up body of this While statement
63 */
64 private JBlock m_aBody;
65
66 /**
67 * Construct a case statement
68 *
69 * @param label
70 * Label name. May not be <code>null</code>.
71 */
72 public JCase (@Nonnull final IJExpression label)
73 {
74 this (label, false);
75 }
76
77 /**
78 * Construct a case statement. If isDefaultCase is true, then label should be
79 * null since default cases don't have a label.
80 *
81 * @param label
82 * Label name. May be <code>null</code> for the default case.
83 * @param isDefaultCase
84 * <code>true</code> if this is the <code>default:</code> case which
85 * renders differently.
86 */
87 public JCase (@Nullable final IJExpression label, final boolean isDefaultCase)
88 {
89 m_aLabelExpr = label;
90 m_bIsDefaultCase = isDefaultCase;
91 }
92
93 @Nullable
94 public IJExpression label ()
95 {
96 return m_aLabelExpr;
97 }
98
99 public boolean isDefaultCase ()
100 {
101 return m_bIsDefaultCase;
102 }
103
104 @Nonnull
105 public JBlock body ()
106 {
107 if (m_aBody == null)
108 m_aBody = new JBlock ();
109 return m_aBody;
110 }
111
112 public void state (@Nonnull final JFormatter f)
113 {
114 f.indent ();
115 if (m_bIsDefaultCase)
116 {
117 f.print ("default:").newline ();
118 }
119 else
120 {
121 f.print ("case ").generable (m_aLabelExpr).print (':').newline ();
122 }
123 if (m_aBody != null)
124 f.statement (m_aBody);
125 f.outdent ();
126 }
127 }